Using email instead of username in CakePHP Auth Component

Question

I am working on cakephp 2.x . my problem is i dont want to use username for logging .. i am taking the email and password from the user and verify this email and password from the database i have a table in my database name user and it has 3 fields id, email and password

here is my code

Model

 <?php
class User extends AppModel {
public $useTable = 'user';
}
?>

AppController

 class AppController extends Controller {
   public $components = array(
   'Session',
'Auth'=>array(
    'loginRedirect'=>array('controller'=>'users', 'action'=>'admin'),
    'logoutRedirect'=>array('controller'=>'users', 'action'=>'admin'),
    'authError'=>"You can't access that page",
    'authorize'=>array('Controller') 
   )
);

public function isAuthorized($user) {
}

  public function beforeFilter() {
  $this->Auth->allow('index');

UserController

public function login()
   {
     if ($this->request->is('post')) {
       if ($this->Auth->login()) {
        $this->redirect($this->Auth->redirect());
    } else {
        $this->Session->setFlash('Your email/password combination was incorrect');
    }
}
}

login.ctp

 <?php


   echo $this->form->create();

  echo $this->form->input('email');
  echo $this->form->input('password');


    echo $this->form->end('Authenticate');
   ?>

Answer 1

You can configure it with:

public $components = array(
    'Auth' => array(
        'authenticate' => array(
            'Form' => array(
                'fields' => array('username' => 'email')
            )
        )
    )
);

See also Configuring Authentication handlers in the cookbook.